/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendController.h
Returns true if an input vertex with the given Name exists.
True if the vertex exists, false otherwise.
bool ContainsInputVertex ( const [FVertexName](API\Plugins\MetasoundGraphCore\FVertexName) & InName, const [FName](API\Runtime\Core\UObject\FName) & InTypeName ) const